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Finding the Fourth Proportional to 614,886.03, 916,216.27 and 547,810.74

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Solution

The fourth proportional to 614,886.03, 916,216.27 and 547,810.74 is: 816,270.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,886.03 : 916,216.27 = 547,810.74 : x
  2. Step 2: Convert to fraction form
    614,886.03/916,216.27 = 547,810.74/x
  3. Step 3: Cross multiply
    614,886.03x = 916,216.27 × 547,810.74
  4. Step 4: Simplify right side
    614,886.03x = 501,913,111,499.21
  5. Step 5: Solve for x
    x = 501,913,111,499.21/614,886.03
  6. Step 6: Final answer
    x = 816,270.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.