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Finding the Fourth Proportional to 569,041.28, 785,210.04 and 314,377.28

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Solution

The fourth proportional to 569,041.28, 785,210.04 and 314,377.28 is: 433,803.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,041.28 : 785,210.04 = 314,377.28 : x
  2. Step 2: Convert to fraction form
    569,041.28/785,210.04 = 314,377.28/x
  3. Step 3: Cross multiply
    569,041.28x = 785,210.04 × 314,377.28
  4. Step 4: Simplify right side
    569,041.28x = 246,852,196,603.89
  5. Step 5: Solve for x
    x = 246,852,196,603.89/569,041.28
  6. Step 6: Final answer
    x = 433,803.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.