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Finding the Fourth Proportional to 710,952.12, 980,478.06 and 589,901.56

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Solution

The fourth proportional to 710,952.12, 980,478.06 and 589,901.56 is: 813,536.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,952.12 : 980,478.06 = 589,901.56 : x
  2. Step 2: Convert to fraction form
    710,952.12/980,478.06 = 589,901.56/x
  3. Step 3: Cross multiply
    710,952.12x = 980,478.06 × 589,901.56
  4. Step 4: Simplify right side
    710,952.12x = 578,385,537,139.77
  5. Step 5: Solve for x
    x = 578,385,537,139.77/710,952.12
  6. Step 6: Final answer
    x = 813,536.55

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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.